CBS - The 17th Left Main & Coronary Bifurcation Summit, CBS2025

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Left Main & Coronary Bifurcation Summit (CBS) was founded in 2006 as a think tank dedicated to the treatment of left main and coronary bifurcation lesions. CBS aims to improve cardiological care by refreshing fundamental researches, clinical trials, yearly published guidelines, emerged ideas and case-based discussion.

Association and Affiliations
- Organized by
  
  Nanjing Heart Center
  
  Asian Bifurcation Club (ABC)
  
  Nanjing First Hospital, Nanjing Medical University
- Co-organized by
  
  Chinese Society of Cardiology (CSC)
  
  Capacity Building and Continuing Education Center,National Health and Family Planning Commission (CBCEC)
  
  American Society for Cardiovascular Angiography and Interventions (SCAI)
  
  Asian Heart Society (AHS)
Contact Us
- Registration Administration of Domestic Representatives
  
  Hongjuan Peng : +86-13913895477
  
  Haimei Xu +86-13914736846
  
  cbsnj@cbsmd.cn
- Registration Administration of Overseas Representatives
  
  Ling Lin : +86 (25) 52271398
  
  +86-13951884596
  
  cbs@cbsmd.cn
- Management of Challenging Cases
  
  Yingying Zhao :+86-13815408517
  
  sub@cbsmd.cn
Address

CBS2019 Congress Secretariat, Nanjing First Hospital, Building No.9 68# Changle Road, Nanjing, China

210006
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Research Paper

> Acute Coronary Syndrom

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> Transcatheter Aortic Valve Replacement

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> Other Relevant Articles

Recommended Paper

Management of Acute Myocardial Infarction During the COVID-19 Pandemic

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CSC Expert Consensus on Principles of Clinical Management of Patients with Severe Emergent Cardiovascular Diseases during the COVID-19 Epidemic

ACC Clinical Bulletin Focuses on Cardiac Implications of Coronavirus (COVID-19)

HOME | SCIENTIFIC LIBRARY | Acute Coronary Syndrom

Acute Coronary Syndrom

Effect of a Restrictive vs Liberal Blood Transfusion Strategy on Major Cardiovascular Events Among Patients With Acute Myocardial Infarction and Anemia: The REALITY Randomized Clinical Trial Galectin-3 Levels and Outcomes After Myocardial Infarction: A Population-Based Study Prognostic impact of non-culprit chronic total occlusions in infarct-related cardiogenic shock: results of the randomised IABP-SHOCK II trial Mortality and morbidity in acutely ill adults treated with liberal versus conservative oxygen therapy (IOTA): a systematic review and meta-analysis Efficacy and Safety of Stents in ST-Segment Elevation Myocardial Infarction Outcomes in Patients Treated With Thin-Strut, Very Thin-Strut, or Ultrathin-Strut Drug-Eluting Stents in Small Coronary Vessels: A Prespecified Analysis of the Randomized BIO-RESORT Trial Comparison of the Preventive Efficacy of Rosuvastatin Versus Atorvastatin in Post-Contrast Acute Kidney Injury in Patients With ST-segment Elevation Myocardial Infarction Undergoing Percutaneous Coronary Intervention Editor's Choice- Impact of immediate multivessel percutaneous coronary intervention versus culprit lesion intervention on 1-year outcome in patients with acute myocardial infarction complicated by cardiogenic shock: Results of the randomised IABP-SHOCK II trial

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Original Research45 (7), 579-584 2017 Jul 24

JOURNAL：Zhonghua Xin Xue Guan Bing Za Zhi Article Link

Association Between Collateral Circulation and Myocardial Viability Evaluated by Cardiac Magnetic Resonance Imaging in Patients With Coronary Artery Chronic Total Occlusion

JN Li, LJ Zhang, Y He et al. Keywords: collateral circulation; CTO; MRI; myocardium

ABSTRACT

OBJECTIVE - Late gadolinium enhancement(LGE) cardiac magnetic resonance imaging(CMR) was used to evaluate the myocardial viability of chronic total occlusion(CTO) in patients with coronary heart disease and to observe the relationship between collateral circulation and myocardium viability in these patients.

METHODS - This retrospective study included 40 patients with CTO diagnosed by invasive coronary angiography (CAG) from September 2015 to June 2016 in our department, all patients performed CMR examination within one week after CAG.The collateral circulation of CTO was graded with Rentrop classification as follows: poor or no collateral circulation group, moderate collateral circulation group and good collateral circulation group.According to CMR images, the delayed enhancement transmural extent of myocardial segments were scored, the ventricular wall motion of the myocardial segment were graded, and the wall motion score index (WMSI) was calculated.Spearman correlation analysis was used to analyze the relationship between the delayed enhancement transmural extent of myocardial segments and WMSI.

RESULTS - In the no or poor collateral group of 6 myocardial regions, 1 myocardial region had viable myocardium and 3 myocardial regions had no viable myocardium; in the moderate collateral group of 16 myocardial regions, 11 myocardial regions had viable myocardium and 5 myocardial regions had no viable myocardium; in the good collateral group of 24 myocardial regions, 21 myocardial regions had viable myocardium and 3 myocardial regions had no viable myocardium, there was significant difference between the groups (P=0.002). The WMSI of poor or no collateral circulation group, moderate collateral circulation group and good collateral circulation group were 1.54±0.50, 1.21±0.34 and 1.26±0.40, respectively, there was no significant difference between the groups (P=0.063). Spearman correlation analysis showed that the extent of delayed enhancement transmural extent of myocardial segment was significantly associated with WMSI (r=0.638, P<0.01).

CONCLUSION - Collateral circulation in patients with chronic total occlusion can predict myocardial viability.Increase of Rentrop grade is linked with higher possibility of the presence of viable myocardium.

Abstract

Recommended Article

Association Between Collateral Circulation and Myocardial Viability Evaluated by Cardiac Magnetic Resonance Imaging in Patients With Coronary Artery Chronic Total Occlusion

ABSTRACT